物理题二道(AP)(001)

显示全部楼层 · 2009-7-31 23:32:09

1、Find the force on a point charge of 50 microC at (0,0,5)m due to a charge of 500pi microC that is uniformly distriruted over the circular disk r<= 5m, z=0 m.
2、Repeat problem 1 for a disk of radius 2 m.

千问 · 2009-7-31 23:32:09

详细解答见图。...

千问 · 2009-7-31 23:32:09

[兽人语]Whaia Rit Gervb Sgtrk!Arecs Syeric……Jixike Heoic...

千问 · 2009-7-31 23:32:09

先在圆盘上取一面单元计算单元面电荷再求整个盘积分用场强公式求得点（0 0 5）场强再求微分即可...